We ourselves have a retention obligation for all documents of 10 years.

The warranty period for the executing craftsmen is 4 to 5 years. In our architectural office this has helped us very often. My email correspondence is therefore seamlessly documented over decades. Still, a keyword search of all emails from all email addresses takes only about 5 seconds.

My archive database contains over 36,000 emails spanning 12 years from more than 15 email accounts and is just under 37 GB in size. weekly) and the archived emails should be deleted from the IMAP server afterwards, I have no more 'mailbox full' problems and the email client (Apple Mail for me) becomes orders of magnitude faster. Since you can set in MAX in the archive or backup plan that only emails older than xx days are archived (and that regularly e.g. Beatrix Willius helped me each time quickly and competently, so that I had no data loss and the database runs stable and fast until today. It happened a few times during that time that I got problems with the database due to my own mistakes. I therefore decided to use MAX and have not regretted it to this day.

Other applications available at the time either did not run on the Mac or were not stable, most were also uncomfortable, cluttered and often just ugly. Looking for a comfortable and reliable archiving of my emails from various IMAP accounts into a database with built-in viewer and its own search, filter and sort functions, which also runs on the Mac, I came across Mail Archiver X (MAX) back in 2008 and was immediately thrilled.

Email backup wizard review